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Move, rename, and document Visual Studio GN helper script

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BUG=skia:

DOCS_PREVIEW= https://skia.org/?cl=5983

Change-Id: I32ac2c5275eb86adaa2be9ceee061b2956db70ad
Reviewed-on: https://skia-review.googlesource.com/5983
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
This commit is contained in:
Brian Osman 2016-12-14 11:06:04 -05:00 committed by Skia Commit-Bot
parent 8dcc84f7dc
commit 2052c86a30
2 changed files with 21 additions and 4 deletions
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fix-gn-sln.py → gn/gn_meta_sln.py
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site/user/build.md
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@ -84,10 +84,8 @@ Windows
-------
Skia can build on Windows with Visual Studio 2015 Update 3. No older or newer
version is supported. If you use Visual Studio, you may want to pass
`--ide=vs` to `gn gen` to generate `all.sln`.
The bots use a packaged toolchain, which you may be able to download like this:
version is supported. The bots use a packaged toolchain, which you may be able
to download like this:
python infra/bots/assets/win_toolchain/download.py -t C:/toolchain
@ -95,6 +93,25 @@ If you pass that downloaded path to GN via `windk`, you can build using that
toolchain instead of your own from Visual Studio. This toolchain is the only
way we support 32-bit builds, by also setting `target_cpu="x86"`.
### Visual Studio Solutions
If you use Visual Studio, you may want to pass `--ide=vs` to `gn gen` to
generate `all.sln`. That solution will exist within the GN directory for the
specific configuration, and will only build/run that configuration.
If you want a Visual Studio Solution that supports multiple GN configurations,
there is a helper script. It requires that all of your GN directories be inside
the `out` directory. First, create all of your GN configurations as usual.
Pass `--ide=vs` when running `gn gen` for each one. Then:
python gn/gn_meta_sln.py
This creates a new dedicated output directory and solution file
`out/sln/skia.sln`. It has one solution configuration for each GN configuration,
and supports building and running any of them. It also adjusts syntax highlighting
of inactive code blocks based on preprocessor definitions from the selected
solution configuration.
CMake
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